Kramer Electronics Vacuum Cleaner VS 81H User Manual

KRAMER ELECTRONICS LTD.  
USER MANUAL  
MODEL:  
VS-81H  
8x1 HDMI Switcher  
P/N: 2900-000670 Rev 3  
 
1
Introduction  
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been  
providing a world of unique, creative, and affordable solutions to the vast range of  
problems that confront the video, audio, presentation, and broadcasting  
professional on a daily basis. In recent years, we have redesigned and upgraded  
most of our line, making the best even better!  
Our 1,000-plus different models now appear in 11 groups that are clearly defined  
by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;  
GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:  
Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:  
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:  
Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11:  
Sierra Products.  
Congratulations on purchasing your Kramer VS-81H 8x1 HDMI Switcher, which is  
ideal for the following typical applications:  
Conference room presentations  
Rental and staging  
VS-81H - Introduction  
1
 
   
2
Getting Started  
We recommend that you:  
Unpack the equipment carefully and save the original box and packaging  
materials for possible future shipment  
Review the contents of this user manual  
Use Kramer high-performance, high-resolution cables  
Use only the power cord that is supplied with this machine  
user manuals, application programs, and to check if firmware  
upgrades are available (where appropriate).  
i
2.1  
Achieving the Best Performance  
To achieve the best performance:  
Use only good quality connection cables to avoid interference, deterioration  
in signal quality due to poor matching, and elevated noise levels (often  
associated with low quality cables)  
Do not secure the cables in tight bundles or roll the slack into tight coils  
Avoid interference from neighboring electrical appliances that may adversely  
influence signal quality  
Position your Kramer VS-81H away from moisture, excessive sunlight and  
dust  
2
VS-81H - Getting Started  
 
     
3
Overview  
The VS-81H is a high-performance switcher for HDMI signals. It reclocks and  
equalizes the signal and switches one of the 4 inputs to a single HDMI output.  
In particular, the VS-81H features:  
A maximum data rate of 6.75Gbps (2.25Gbps per graphic channel)  
HDTV compatibility (suitable for resolutions up to UXGA at 60Hz, and for all  
HD resolutions)  
HDMI support with Deep Color, x.v.Color™, up to 7.1 Uncompressed Audio  
Channels  
HDCP support (High Definition Digital Content Protection)  
EDID pass-through that passes EDID/HDCP signals from source to display  
3D pass-through  
Kramer Equalization & re-Klocking™ Technology that rebuilds the digital  
signal to travel longer distances.  
Eight input selector buttons  
A OFF button to disconnect the output and a PANEL LOCK button to  
prevent unwanted tampering with the buttons on the front panel  
A world-wide power supply 100240V AC  
Installation in one vertical space of a standard 19” professional rack  
enclosure  
Control the VS-81H using the front panel buttons, or remotely via:  
RS-232 serial commands transmitted by a touch screen system, PC, or other  
serial controller  
The Kramer RC-IR3 infrared remote control transmitter  
The Ethernet  
VS-81H - Overview  
3
 
   
3.1  
Defining EDID  
The Extended Display Identification Data (EDID) is a data-structure provided by a  
display, to describe its capabilities to a graphics card (that is connected to the  
display’s source). The EDID enables the VS-81H to “know” what kind of monitor is  
connected to the output. The EDID includes the manufacturer’s name, the product  
type, the timing data supported by the display, the display size, luminance data  
and (for digital displays only) the pixel mapping data.  
EDID is defined by a standard published by the Video Electronics Standards  
Association (VESA).  
3.2  
About HDMI—General Description  
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital  
audio/video interface, widely supported in the entertainment and home cinema  
industry. HDMI ensures an all-digital rendering of video without the losses associated  
with analog interfaces and their unnecessary digital-to-analog conversions. It delivers  
the maximum high-definition image and sound quality in use today. Note that Kramer  
Electronics Limited is an HDMI Adopter and an HDCP Licensee.  
HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered  
trademarks of HDMI licensing LLC.  
In particular, HDMI:  
Provides a simple interface between any audio/video source, such as a set-  
top box, DVD player, or AV receiver and video monitor, such as a digital flat  
LCD / plasma television (DTV), over a single lengthy cable  
SIMPLICITY - With video and multi-channel audio combined into a single cable, the cost,  
complexity, and confusion of multiple cables currently used in AV systems is reduced  
LENGTHY CABLE - HDMI technology has been designed to use standard copper cable  
construction at up to 15m  
Supports standard, enhanced, high-definition video, and multi-channel digital  
audio on a single cable  
MULTI-CHANNEL DIGITAL AUDIO - HDMI supports multiple audio formats, from  
standard stereo to multi-channel surround-sound. HDMI has the capacity to support  
Dolby 5.1 audio and high-resolution audio formats  
Transmits all ATSC HDTV standards and supports 8-channel digital audio,  
with bandwidth to spare to accommodate future enhancements and  
requirements  
4
VS-81H - Overview  
 
     
Benefits consumers by providing superior, uncompressed digital video quality  
via a single cable, and user-friendly connector  
HDMI provides the quality and functionality of a digital interface while also supporting  
uncompressed video formats in a simple, cost-effective manner  
Is backward-compatible with DVI (Digital Visual Interface)  
Supports two-way communication between the video source (such as a DVD  
player) and the digital television, enabling new functionality such as automatic  
configuration and one-button play  
Has the capacity to support existing high-definition video formats (720p, 1080i  
and 1080p), standard definition formats such as NTSC or PAL, as well as  
480p and 576p  
3.3  
About HDCP—General Description  
The High-Bandwidth Digital Content Protection (HDCP) standard developed by  
Intel, protects digital video and audio signals transmitted over DVI or HDMI  
connections between two HDCP-enabled devices to eliminate the reproduction of  
copyrighted material. To protect copyright holders (such as movie studios) from  
having their programs copied and shared, the HDCP standard provides for the  
secure and encrypted transmission of digital signals.  
3.4  
Defining the VS-81H 8x1 HDMI Switcher  
This section defines the VS-81H.  
VS-81H - Overview  
5
 
     
Figure 1: VS-81H 8x1 HDMI Switcher Front Panel  
#
Feature  
Function  
1
IR Receiver  
POWER Switch  
OFF Button  
LED illuminates when receiving signals from the infrared remote control transmitter  
Illuminated switch for turning the unit ON or OFF  
2
3
Press to toggle disconnecting the output  
Flashes when the EDID of the connected monitor is different from the last EDID that was saved  
4
5
INPUT SELECTOR Buttons  
Press to select an input (from 1 to 8)  
PANEL LOCK Button  
Press to toggle disengaging the front panel buttons and to set to the PC/DVD mode  
6
VS-81H - Overview  
 
   
Figure 2: VS-81H 8x1 HDMI Switcher Rear Panel  
#
Feature  
Function  
6
7
8
9
INPUT HDMI Connectors  
Connect to the HDMI sources (from 1 to 8)  
RS-232 9-pin D-sub Connector  
ETHERNET Connector  
RESET Button  
Connects to a PC or an RS-232 remote controller  
Connects to a PC, Ethernet controller or network  
Press to reset to the factory default definitions:  
First disconnect the power cord and then connect it again while pressing the RESET button. The  
unit powers up and loads the factory default definitions into its memory.  
IP number 192.168.1.39  
Mask – 255.255.255.0  
Gateway – 192.168.1.1  
10  
11  
OUTPUT HDMI Connector  
Connects to the HDMI acceptor  
Power Connector with Fuse  
AC connector enabling power supply to the unit  
VS-81H - Overview  
7
 
   
4
Installing in a Rack  
This section provides instructions for rack mounting the unit.  
8
VS-81H - Installing in a Rack  
 
   
5
Connecting the VS-81H  
Always switch off the power to each device before connecting it to your  
VS-81H. After connecting your VS-81H, connect its power and then  
i
switch on the power to each device.  
To connect the VS-81H 8x1 HDMI Switcher (as illustrated in Figure 3), do the  
following:  
1. If required:  
ƒ
ƒ
Set the appropriate INPUTS to the DVD mode (see Section 6.1)  
Acquire the EDID (see Section 6.2)  
2. Connect the HDMI sources as follows:  
You do not have to connect all the HDMI sources.  
Alternatively, you can connect a PC to any of the inputs and set those inputs to the PC  
mode (see Section 6.1)  
ƒ
ƒ
ƒ
ƒ
A multimedia player to INPUT 1  
A set top box to INPUT 2  
A DVD player to INPUT 6  
A DVD player to INPUT 8  
3. Connect the OUTPUT HDMI connector to an HDMI acceptor (for example, a  
plasma display).  
4. If required, connect a PC and/or controller to the RS-232 port (see  
Section6.3) and/or the ETHERNET port (see Section 6.4).  
5. Connect the power connector to the mains electricity (not shown in Figure 3).  
Press an INPUT SELECTOR button (from 1 to 8) to choose the HDMI input to  
route to the output.  
VS-81H - Connecting the VS-81H  
9
 
   
Figure 3: Connecting the VS-81H 8x1 HDMI Switcher  
10  
VS-81H - Connecting the VS-81H  
 
   
6
Operating the VS-81H  
This section describes:  
The PC mode and the DVD mode (see Section 6.1)  
How to acquire the EDID (see Section 6.2)  
How to control the machine via RS-232 (see Section 6.3)  
How to control the machine via the ETHERNET port (see Section 6.4)  
6.1  
The PC and DVD Modes  
The VS-81H has two operation modes that can be set individually for each input:  
the PC mode (default) and the DVD mode:  
Use the PC mode when connecting one or more computers to the inputs  
using a DVI-to-HDMI converter cable  
For example, the Kramer HDMI-DVI gold-plated cable in various lengths (3”, 6”, 10” and  
15”).  
Use the DVD mode when connecting one or more DVDs to the inputs  
In the PC mode, an input always has access to the EDID (default or acquired) to  
prevent the computer from resetting if the output is not connected.  
In the DVD mode, an input only has access to the EDID when it is switched to the  
connected output.  
The PC mode and the DVD mode can be applied to a single unit or to several  
inputs. For example, if you want to connect computers to INPUTS 1 and 2, and  
DVD machines to INPUTS 6 and 8, set INPUTS 1 and 2 to the PC mode and  
INPUTS 6 and 8 to the DVD mode.  
To set the inputs to either the PC or DVD mode, do the following:  
1. Turn off the VS-81H POWER.  
2. Press the PANEL LOCK button while turning the POWER on again.  
VS-81H - Operating the VS-81H  
11  
 
     
3. Keep pressing and holding the PANEL LOCK button for a few seconds and  
then release it.  
The LOCK button flashes.  
If an input button illuminates, this indicates that that input is set to the DVD  
mode.  
If an input button is not illuminated, this indicates that that input is set to the  
PC mode.  
4. Press an input to toggle between the PC mode (input button not illuminated)  
and the DVD mode (input button illuminated).  
5. To exit this mode, press the PANEL LOCK button.  
6. Connect a computer to the input that is set to the PC mode and a DVD to the  
input that is set to the DVD mode.  
The following table summarizes the differences between the PC mode and the  
DVD mode:  
PC Mode  
DVD Mode  
The input is connected to a computer  
The input is connected to a multimedia  
application, such as a DVD, a set top box  
and so on  
The EDID is available at all times (to prevent The EDID is available only when the input  
computer reset)  
and an output are connected  
The input EDID source is the default EDID  
or an acquired EDID (see Section 6.2)  
The input EDID source is acquired directly  
from the connected output  
6.2  
Acquiring the EDID  
The acquired EDID is used when an input is set to the PC mode.  
To acquire the EDID, do the following:  
1. Turn the POWER off.  
2. Press the PANEL LOCK button and the INPUT 8 button while turning the  
POWER on again.  
The INPUT buttons flash in sequence until the unit has completed to read  
the EDID.  
12  
VS-81H - Operating the VS-81H  
 
   
3. Release the PANEL LOCK and INPUT 8 buttons.  
If an output was connected, the output EDID is read to all the inputs. If an output  
was not connected to the machine, the default EDID is read to the inputs.  
6.3  
Connecting via the RS-232 Port  
You can connect to the VS-81H to a PC or RS-232 controller using the RS-232  
connection.  
Note that a null-modem adapter/connection is not required.  
To connect to the VS-81H via RS-232:  
Connect the RS-232 9-pin D-sub rear panel port on the VS-81H unit via a  
9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5  
need to be connected) to the RS-232 9-pin D-sub port on your PC  
6.4  
Connecting via the ETHERNET Port  
You can connect the VS-81H via the Ethernet, using a crossover cable (see  
Section 6.4.1) for direct connection to the PC or a straight through cable (see  
Section 6.4.2) for connection via a network hub or network router.  
After connecting the Ethernet port, install and configure your Ethernet Port. For detailed  
instructions, see the “Ethernet Configuration (FC-11) guide.pdf” file in the technical support  
section on our Web site: http://www.kramerelectronics.com.  
6.4.1  
Connecting the ETHERNET Port directly to a PC (Crossover  
Cable)  
You can connect the Ethernet port of the VS-81H to the Ethernet port on your PC,  
via a crossover cable with RJ-45 connectors.  
This type of connection is recommended for identification of the factory default  
IP Address of the VS-81H during the initial configuration.  
After connecting the Ethernet port, configure your PC as follows:  
1. Right-click the My Network Places icon on your desktop.  
2. Select Properties.  
VS-81H - Operating the VS-81H  
13  
 
       
3. Right-click Local Area Connection Properties.  
4. Select Properties.  
The Local Area Connection Properties window appears.  
5. Select the Internet Protocol (TCP/IP) and click the Properties Button (see  
Figure 4: Local Area Connection Properties Window  
6. Select Use the following IP Address, and fill in the details as shown in  
7. Click OK.  
14  
VS-81H - Operating the VS-81H  
 
   
Figure 5: Internet Protocol (TCP/IP) Properties Window  
6.4.2  
6.4.3  
Connecting the ETHERNET Port via a Network Hub (Straight-  
Through Cable)  
You can connect the Ethernet port of the VS-81H to the Ethernet port on a network  
hub or network router, via a straight through cable with RJ-45 connectors.  
Configuring Several Units via the Ethernet Port  
To control several units via the Ethernet, connect each unit via the Ethernet port to  
the LAN port of your PC. Use your PC to initially configure the settings of each unit  
(see Section 6.46.4.1).  
VS-81H - Operating the VS-81H  
15  
 
     
7
Technical Specifications  
INPUTS:  
8 HDMI connectors  
OUTPUT:  
1 HDMI connector  
MAX. DATA RATE:  
Up to 6.75Gbps (2.25Gbps per graphic channel)  
Supports HDMI and HDCP  
COMPLIANCE WITH HDMI  
STANDARD:  
RESOLUTION:  
POWER SOURCE:  
CONTROLS:  
Up to UXGA; 1080p, deep color  
100240V AC; 50/60Hz, 12VA  
Front panel buttons, infrared remote control  
transmitter, RS-232, Ethernet  
OPERATING TEMPERATURE:  
STORAGE TEMPERATURE:  
HUMIDITY:  
0° to +55°C (32° to 131°F)  
-45° to +72°C (-49° to 162°F)  
10% to 90%, RHL non-condensing  
19” x 7” x 1U (W, D, H)  
DIMENSIONS:  
WEIGHT:  
2.5kg (5.5lbs) approx.  
ACCESSORIES:  
Power cord, rack “ears” and IR remote control  
Specifications are subject to change without notice at http://www.kramerelectronics.com  
16  
VS-81H - Technical Specifications  
 
   
8
Default Communication Parameters  
RS-232  
Protocol 2000  
Baud Rate:  
9600  
Data Bits:  
8
Stop Bits:  
1
Parity:  
None  
Command Format:  
Example (Output 1 to Input 1):  
Ethernet  
HEX  
0x01, 0x81, 0x81, 0x81  
IP Address:  
192.168.1.39  
5000  
TCP Port Number:  
Network Mask:  
Default Gateway:  
255.255.255.0  
192.168.1.1  
VS-81H - Default Communication Parameters  
17  
 
   
9
Protocol 2000  
Kramer Protocol 2000 for RS-232/RS-485 communication uses four bytes of  
information as defined below.  
MSB  
LSB  
DESTINATION  
INSTRUCTION  
0
7
D
6
N5  
5
N4  
4
N3  
3
N2  
2
N1  
1
N0  
0
1st byte  
INPUT  
1
7
I6  
6
I5  
5
I4  
4
I3  
3
I2  
2
I1  
1
I0  
0
2nd byte  
OUTPUT  
1
7
O6  
6
O5  
5
O4  
4
O3  
3
O2  
2
O1  
1
O0  
0
3rd byte  
MACHINE NUMBER  
1
7
OVR  
6
X
5
M4  
4
M3  
3
M2  
2
M1  
1
M0  
0
4th byte  
1st BYTE:  
D – “DESTINATION”:  
Bit 7 – Defined as 0.  
0 - for sending information to the switchers (from the PC);  
1 - for sending to the PC (from the switcher).  
N5…N0 – “INSTRUCTION”  
The function that is to be performed by the switcher(s) is defined by the INSTRUCTION (6 bits). Similarly, if a function is  
performed via the machine’s keyboard, then these bits are set with the INSTRUCTION NO., which was performed. The  
instruction codes are defined according to the table below (INSTRUCTION NO. is the value to be set for N5…N0).  
2nd BYTE:  
Bit 7 – Defined as 1.  
I6…I0 – “INPUT”.  
When switching (ie. instruction codes 1 and 2), the INPUT (7 bits) is set as the input number which is to be switched.  
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the INPUT NUMBER which was  
switched. For other operations, these bits are defined according to the table.  
3rd BYTE:  
Bit 7 – Defined as 1.  
O6…O0 – “OUTPUT”.  
When switching (ie. instruction codes 1 and 2), the OUTPUT (7 bits) is set as the output number which is to be switched.  
Similarly, if switching is done via the machine’s front-panel, then these bits are set with the OUTPUT NUMBER which  
was switched. For other operations, these bits are defined according to the table.  
4th BYTE:  
Bit 7 – Defined as 1.  
Bit 5 – Don’t care.  
OVR – Machine number override.  
M4…M0 – MACHINE NUMBER.  
Used to address machines in a system via their machine numbers. When several machines are controlled from a single  
serial port, they are usually configured together with each machine having an individual machine number. If the OVR bit  
is set, then all machine numbers will accept (implement) the command, and the addressed machine will reply. For a  
single machine controlled via the serial port, always set M4…M0 = 1, and make sure that the machine itself is  
configured as MACHINE NUMBER = 1.  
All the values in the table are decimal, unless otherwise stated  
i
18  
VS-81H - Protocol 2000  
 
   
Instruction Codes for Protocol 2000  
Instruction Definition for Specific Instruction  
Description Input Output  
Notes  
2, 15  
#
1
Set equal to video input which is Set equal to video output which is  
SWITCH VIDEO  
to be switched  
to be switched  
(0 = disconnect)  
(0 = to all the outputs)  
Set equal to video input which is Set equal to video output which is  
2, 15  
1
SWITCH VIDEO  
to be switched  
to be switched  
(0 = disconnect)  
0 - Panel unlocked  
1 - Panel locked  
(0 = to all the outputs)  
0
30  
2
LOCK FRONT  
PANEL  
0
0
16  
31 REQUEST  
WHETHER PANEL  
IS LOCKED  
61  
1 - video machine name  
2 - audio machine name  
3 - video software version  
4 - audio software version  
5 – RS-422 controller name  
6 – RS-422 controller version  
7 - remote control name  
8 - remote software version  
9 - Protocol 2000 revision  
0 - Request first 4 digits  
1 - Request first suffix  
2 - Request second suffix  
3 - Request third suffix  
10 - Request first prefix  
11 - Request second prefix  
12 - Request third prefix  
13  
IDENTIFY MACHINE  
NOTES on the above table:  
NOTE 2 – These are bi-directional definitions. That is, if the switcher receives the code, it will perform the instruction;  
and if the instruction is performed (due to a keystroke operation on the front panel), then these codes are sent. For  
example, if the HEX code  
01  
85  
88  
83  
was sent from the PC, then the switcher (machine 3) will switch input 5 to output 8. If the user switched input 1 to output  
7 via the front panel keypad, then the switcher will send HEX codes:  
41  
81  
87  
83  
to the PC.  
When the PC sends one of the commands in this group to the switcher, then, if the instruction is valid, the switcher  
replies by sending to the PC the same four bytes that it was sent (except for the first byte, where the DESTINATION bit  
is set high).  
NOTE 13 – This is a request to identify the switcher/s in the system. If the OUTPUT is set as 0, and the INPUT is set as  
1, 2, 5 or 7, the machine will send its name. The reply is the decimal value of the INPUT and OUTPUT. For example, for  
a 2216, the reply to the request to send the audio machine name would be (HEX codes):  
7D  
96  
90  
81 (i.e. 128dec+ 22dec for 2nd byte, and 128dec+ 16dec for 3rd byte).  
If the request for identification is sent with the INPUT set as 3 or 4, the appropriate machine will send its software  
version number. Again, the reply would be the decimal value of the INPUT and OUTPUT - the INPUT representing the  
number in front of the decimal point, and the OUTPUT representing the number after it. For example, for version 3.5, the  
reply to the request to send the version number would be (HEX codes):  
7D  
83  
85  
81 (i.e. 128dec+ 3dec for 2nd byte, 128dec+ 5dec for 3rd byte).  
If the OUTPUT is set as 1, then the ASCII coding of the lettering following the machine’s name is sent. For example, for  
the VS-7588YC, the reply to the request to send the first suffix would be (HEX codes):  
7D  
D9  
C3  
81 (i.e. 128dec+ ASCII for “Y”; 128dec+ ASCII for “C”).  
NOTE 15 – When the OVR bit (4th byte) is set, then the “video” commands have universal meaning. For example,  
instruction 1 (SWITCH VIDEO) will cause all units (including audio, data, etc.) to switch. Similarly, if a machine is in  
“FOLLOW” mode, it will perform any “video” instruction.  
NOTE 16 - The reply to the “REQUEST WHETHER PANEL IS LOCKED” is as in NOTE 4 above, except that here the  
OUTPUT is assigned with the value 0 if the panel is unlocked, or 1 if it is locked.  
VS-81H - Protocol 2000  
19  
 
20  
VS-81H - Protocol 2000  
 
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